Ultra-Low Temp Lithium-Ion 7.2V 9Ah 21700 Battery Pack

  • Ultra-low temperature performance (-40°C)
  • High capacity 9000mAh (9Ah)
  • Rapid 1.5-hour fast charging
  • Integrated BMS for safety
  • Compact 48x90x48mm size
  • Wide operating range (-40°C to 55°C)
  • Low self-discharge rate

Especificación

Battery Specifications

Parámetro Value Detalles
Rated Voltage 7,2 V Lithium-ion 2S2P configuration
Capacidad 9000mAh (9Ah) Tested at 0.2C discharge
Tipo de célula 21700 (4 cells) High-density 4500mAh per cell
Dimensiones 48x90x48mm Compact, space-saving design
Weight 300g Lightweight for portability
Ciclo de vida 500 ciclos At 25°C, 80% capacity retention
Operating Temperature -40°C to 55°C Discharge/charge optimized
Storage Temperature 0-35°C (1 year) Long-term storage guidance
Connectors X.54, P.54, DC5521 Customizable upon request

Cell Specifications

Parámetro Value
Max Discharge Current 45A (45°C cutoff)
Charge Time 1.5 hours (standard)
Volumetric Energy Density 643 Wh/l
Gravimetric Energy Density 242 Wh/kg
Charge Temperature 0°C to 60°C
Discharge Temperature -40°C a 60°C

Solicitud

Polar Research & Antarctic Exploration

Power critical scientific instruments, data loggers, and sensors in extreme cold (-40°C). Ideal for meteorological stations, ice core sampling tools, and remote communication devices requiring stable energy in prolonged sub-zero conditions.

Frigid Zone Rescue & Emergency Operations

Reliable energy for emergency beacons, GPS units, medical devices, and thermal imaging equipment during Arctic/Antarctic rescue missions. Ensures uninterrupted operation in life-saving scenarios where temperatures plummet below -30°C.

Low-Temperature Industrial & Military Equipment

Supports drones, robotics, surveillance systems, and cold-chain logistics devices operating in Siberia, Alaska, or high-altitude regions. Built for harsh environments with rapid discharge stability and minimal voltage drop.

Ventajas técnicas

  • Ultra-Wide Operating Range: Performs flawlessly from -40°C to 55°C for Arctic to moderate climates.
  • High Energy Density: 21700 cells deliver 242 Wh/kg, maximizing runtime in compact devices.
  • Carga rápida: Full charge in 1.5 hours with 0.5C current support.
  • Advanced BMS Protection: Overcharge, over-discharge, and short-circuit safeguards.
  • Lightweight Design: 300g weight for easy integration into portable gear.

Why Choose This Battery?

  • Extreme Cold Reliability: Engineered for -40°C discharge con mínima pérdida de capacidad.
  • Long Lifespan: 500+ cycles at 25°C, ensuring durability for long-term deployments.
  • Customizable Connectors: X.54, P.54, DC5521, or bespoke options available.
  • Low Self-Discharge: <3% monthly, ideal for seasonal or infrequent use.
  • Compliance: Meets stringent safety standards for industrial and field use.

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